Big-leaf sandwort as seen along the Eagle Creek Trail, Columbia River Gorge.........May 10, 2012.
The
photo at right illustrates big-leaf sandwort as photographed along the Crofton
Ridge Trail on Crofton Ridge on the southern flanks of Mt. Adams...........May
28, 2005.Big-leaf sandwort is a small perennial with numerous slender rhizomes which forms loose mats or patches of plants. The stems are spreading to erect and often branched. They rise 5-15 cm high and are 3 to 4-angled in cross-section. The numerous leaves are linear-elliptic to lanceolate in shape with acute tips. The leaves range from 2-5 cm long and 3-15 mm wide.
The flowers are found in loose, bracteate cymes at the leaf axils and terminus of the stems. The slender pedicels are up to 3 cm long. The sepals are ovate-lanceolate in shape with pointed tips. The 5 white petals range from shorter than the sepals to half again as long as the sepals.
Big-leaf sandwort is a plant of moist to dry, shaded to open woods, meadows and rocky slopes.
Big-leaf sandwort may be found from British "Columbia southward along both sides of the Cascade Mts. to California. It may be found eastward to Labrador and the Atlantic coast, and south through the Rocky Mts. to New Mexico.
In the Columbia River Gorge it may be found between the elevations of 100'-4800' between the Sandy River in the west and The Dalles, OR in the east.
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